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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e3e8605e78993ab6fc3cec5ec419ba0c00a0bd297e5eba92a2b335667e5bb54e. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


EchoBot


Vendor detections: 6


Intelligence 6 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e3e8605e78993ab6fc3cec5ec419ba0c00a0bd297e5eba92a2b335667e5bb54e
SHA3-384 hash: 1f06ca0d90bc38648c1ea5cf204d61e27a731b0225e0e1845b6c5e4a2f2d82c644853f205076b9dbc0308c2a81d1d501
SHA1 hash: 617c7b970dc316cf0abe5edd7fb342b818a45abb
MD5 hash: 233cb7abbac22bff8fa40ab40a668afe
humanhash: hamper-bluebird-eighteen-nineteen
File name:linux-arm7
Download: download sample
Signature EchoBot
Create hunting rule
File size:882'644 bytes
First seen:2026-11-08 07:52:21 UTC
Last seen:2026-11-08 08:25:06 UTC
File type: elf
MIME type:application/x-executable
ssdeep 12288:ak8vzKqhjHjLNP2QhDG4Gvnta01SgQksSIesz2fSA8xp3LeRy031o:ak8vzKcjHZGfvnta0hG39jLP03q
TLSH T1B9154BAAB9429A51C8D428FBF66ED0D8334353B8C3DA3106DE11C7347ADF8594E39B94
Magika elf
Reporter abuse_ch
Tags:Echobot elf

Intelligence

File Origin
# of uploads :
2
# of downloads :
75
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Gathering data
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/e3e8605e78993ab6fc3cec5ec419ba0c00a0bd297e5eba92a2b335667e5bb54e
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/b2a7f066-b1b3-4477-b87a-fbd293d76248
Behavior Graph:
Download SVG
%3 guuid=a0310404-2300-0000-a11a-7cd4b20c0000 pid=3250 /usr/bin/sudo guuid=28968809-2300-0000-a11a-7cd4ba0c0000 pid=3258 /tmp/sample.bin guuid=a0310404-2300-0000-a11a-7cd4b20c0000 pid=3250->guuid=28968809-2300-0000-a11a-7cd4ba0c0000 pid=3258 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/35c01e1e-2258-4027-8c98-acdd2a192a62
Result
Threat name:
Echo Bot
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/2000743
Signature
Antivirus / Scanner detection for submitted sample
Drops files in suspicious directories
Executes the "crontab" command typically for achieving persistence
Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions
Multi AV Scanner detection for submitted file
Opens /sys/class/net/* files useful for querying network interface information
Sample tries to persist itself using .desktop files
Sample tries to persist itself using /etc/profile
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Suricata IDS alerts for network traffic
Uses dynamic DNS services
Uses known network protocols on non-standard ports
Yara detected Echo Bot
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 2000743 Sample: linux-arm7.elf Startdate: 08/11/2026 Architecture: LINUX Score: 100 41 coolcams.duckdns.org 2->41 43 144.38.220.29 WEST-NET-WEST-UtahEducationNetworkUS United States 2->43 45 99 other IPs or domains 2->45 55 Suricata IDS alerts for network traffic 2->55 57 Antivirus / Scanner detection for submitted sample 2->57 59 Multi AV Scanner detection for submitted file 2->59 63 2 other signatures 2->63 9 linux-arm7.elf 2->9         started        11 systemd snapd-env-generator 2->11         started        13 systemd snapd-env-generator 2->13         started        signatures3 61 Uses dynamic DNS services 41->61 process4 process5 15 linux-arm7.elf 9->15         started        process6 17 linux-arm7.elf 15->17         started        file7 31 /root/.config/autostart/rustbox.desktop, ASCII 17->31 dropped 33 /root/.bashrc, ASCII 17->33 dropped 35 /etc/rc.local, ASCII 17->35 dropped 37 4 other malicious files 17->37 dropped 47 Sample tries to set files in /etc globally writable 17->47 49 Opens /sys/class/net/* files useful for querying network interface information 17->49 51 Sample tries to persist itself using /etc/profile 17->51 53 5 other signatures 17->53 21 linux-arm7.elf crontab 17->21         started        25 linux-arm7.elf crontab 17->25         started        27 linux-arm7.elf exe 17->27         started        29 2 other processes 17->29 signatures8 process9 file10 39 /var/spool/cron/crontabs/tmp.oNk3b3, ASCII 21->39 dropped 65 Sample tries to persist itself using cron 21->65 67 Executes the "crontab" command typically for achieving persistence 21->67 signatures11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e3e8605e78993ab6fc3cec5ec419ba0c00a0bd297e5eba92a2b335667e5bb54e/
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4pugaxtyte5ln7b45rpmign2bqakbpjjpzplvevcwm2wm7s3wvha._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
defense_evasion discovery execution persistence privilege_escalation
Link:
https://tria.ge/reports/261108-jq2txabt2m/
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Writes file to shm directory
Writes file to tmp directory
Changes its process name
Creates a desktop entry file
Modifies Bash startup script
Creates/modifies Cron job
Creates/modifies environment variables
Enumerates running processes
Modifies init.d
Modifies rc script
Modifies systemd
Reads MAC address of network interface
Write file to user bin folder
Contacts a large (202909) amount of remote hosts
Creates a large amount of network flows
Malware Family:
hajime
Create hunting rule
Malicious:
True
Tags:
cve-2018-10561 arm exploit elf
Link:
https://intel.virussign.com/intelligence/file/e3e8605e78993ab6fc3cec5ec419ba0c00a0bd297e5eba92a2b335667e5bb54e
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/e3e8605e78993ab6fc3cec5ec419ba0c00a0bd297e5eba92a2b335667e5bb54e

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:ProgramLanguage_Rust
Create hunting rule
Author:albertzsigovits
Description:Application written in Rust programming language
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

EchoBot

elf e3e8605e78993ab6fc3cec5ec419ba0c00a0bd297e5eba92a2b335667e5bb54e

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/4059935/

Comments